Dell C1048P Port Extender Networking Command-Line Reference Guide for the C900 - Page 2119

Example Field Description "Port path..." Displays the path cost, priority, and identifier for the interface. "Designated root..." Displays the priority and MAC address of the root bridge of the STG that the interface belongs. "Designated port..." Displays the designated port ID. The following describes the show spanning-tree 0 guard command shown in the Example (Guard). Field Interface Name Instance Sts Guard Type Description STP interface. STP 0 instance. Port state: root-inconsistent (INCON Root), forwarding (FWD), listening (LIS), blocking (BLK), or shut down (EDS Shut). Type of STP guard configured (Root, Loop, or BPDU guard). The peGigE ports and VP-LAG ports information is displayed as part of theshow spanning-tree 0 command output, only when the guard option is entered. Dell#show spanning-tree 0 Executing IEEE compatible Spanning Tree Protocol Bridge Identifier has priority 32768, Address 0001.e800.0a56 Configured hello time 2, max age 20, forward delay 15 We are the root of the spanning tree Current root has priority 32768 address 0001.e800.0a56 Topology change flag set, detected flag set Number of topology changes 1 last change occurred 0:00:05 ago from TenGigabitEthernet 1/3 Timers:hold 1, topology change 35 hello 2, max age 20, forward_delay 15 Times:hello 1, topology change 1, notification 0, aging 2 Port 26 (TenGigabitEthernet 1/1) is Forwarding Port path cost 4, Port priority 8, Port Identifier 8.26 Designated root has priority 32768, address 0001.e800.0a56 Designated bridge has priority 32768, address 0001.e800.0a56 Designated port id is 8.26, designated path cost 0 Timers: message age 0, forward_delay 0, hold 0 Number of transitions to forwarding state 1 BPDU: sent:18, received 0 The port is not in the portfast mode Port 27 (TenGigabitEthernet 1/2) is Forwarding Port path cost 4, Port priority 8, Port Identifier 8.27 Designated root has priority 32768, address 0001.e800.0a56 Designated bridge has priority 32768, address 0001.e800.0a56 Designated port id is 8.27, designated path cost 0 Timers: message age 0, forward_delay 0, hold 0 Number of transitions to forwarding state 1 BPDU: sent:18, received 0 The port is not in the portfast mode Spanning Tree Protocol (STP) 2119